| 110kV悦城站35kV悦凤线频繁跳闸事故浅析 |
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| 引用本文： | 肖勇. 110kV悦城站35kV悦凤线频繁跳闸事故浅析[J]. 湖北电力, 2011, 35(3): 45-46 |
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| 作者姓名： | 肖勇 |
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| 作者单位： | 广东电网公司肇庆供电局,广东肇庆,526000 |
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| 摘 要： | 110kV悦城变电站因其35kV等级线路保护动作时间的整定有严格的限制,故在与下一级35kV变电站配合时会出现上下级变电站继电保护动作时间不能配合的情况,文章针对35kV悦凤线频繁跳闸进行了分析,并提出了相应对策.
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| 关 键 词： | 继电保护 动作时间 时间配合级差 越级跳闸 |
Analysis of Frequent Tripping Accidents at 35kV Yuefeng Line of 110 kV Yuecheng Substation |
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| XIAO Yong. Analysis of Frequent Tripping Accidents at 35kV Yuefeng Line of 110 kV Yuecheng Substation[J]. Hubei Electric Power, 2011, 35(3): 45-46 |
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| Authors: | XIAO Yong |
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| Affiliation: | XIAO Yong(Guangdong Dianwang Company Zhaoqing Electric Power Supply Bureau,Zhaoqing Guangdong 526000,China) |
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| Abstract: | Owing to the setting time for 35kv line protection in 110 kV Yuecheng substation being strictly restricted,the time coordination to next 35kV substation may occur discrepancy between them.The paper analyzed the frequent tripping at Yuefeng line and proposed the countermeasures. |
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| Keywords: | relay protection actuating time time coordination between zones incorrect trip due to fault outside protection zone |
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